M61.539 Other ossification of muscle, unspecified forearmBillable ICD-10-CM code, FY2026.
Defines the logic of DRG(s) 557-558 in MDC 08.
728.19 Other muscular calcification and ossification (approximate)M61.522 Other ossification of muscle, left upper armM61.529 Other ossification of muscle, unspecified upper armM61.53 Other ossification of muscle, forearmM61.531 Other ossification of muscle, right forearmM61.532 Other ossification of muscle, left forearmM61.539 Other ossification of muscle, unspecified forearm (this code)M61.54 Other ossification of muscle, handM61.541 Other ossification of muscle, right handM61.542 Other ossification of muscle, left handM61.549 Other ossification of muscle, unspecified handM61.55 Other ossification of muscle, thigh